The kinship I feel with dog lovers allows me to share the following with no concern that any of you would fail to understand: Yesterday I was in need of an emotional pick-me-up, but I was short on time, so I wandered over to YouTube to look for a dog video that would quickly make smiling a sure thing.

The first video I came to was called “Dogs Welcoming Soldiers Home” and I watched it once just for pleasure, enjoying the reunions. I especially loved the Great Dane at about 1:20 because a Great Dane on its hind legs is always a striking image and because this was my childhood breed.

Then, I couldn’t help myself, and I watched the video again. This time, I observed the dogs carefully the way I do when I am working. Several aspects of the dogs’ behavior interested me.

The most obvious behavior was also the least surprising. These dogs were exuberant, leaping and spinning (presumably joyfully) when greeting their returning soldier guardians. They were out of control in the best possible way.

They were so revved up that energy was exploding out of them, and that included vocalizations. Many of these dogs were whimpering and whining and making other loud sounds, but not barking. It’s hard to say what all these vocalizations mean, but I feel comfortable saying that they were likely indicative of dogs feeling intense emotions. The sounds they made seemed very expressive to me, even though I can’t claim to know precisely what they were expressing. It is interesting to me that so many of the dogs made these sounds. Since this was a compilation video, it is possible that the loudest dogs were chosen because the person who compiled the clips found these sounds interesting, as do I.

The close physical contact that the dogs sought with the people was fascinating. The dogs generally seemed not to be able to get close enough to the people. Many of them seemed to be pressing their bodies against the people in a way that’s not typical. Primates, including humans, often seek out the ventral-ventral (bellies together) contact of hugs, but it’s not very common dog behavior. Even most dogs who jump are more likely to make contact with just their paws rather than with their bodies.

In other contexts, such as cuddling on the couch or floor, many dogs do seek close contact, but that is more often lying next to or on top of people, rather than behavior that looks more like a human hug. These dogs were not resisting hugs and being picked up the way many dogs often do, but seemed quite comfortable with those human actions. (A few even jumped into the soldier’s arms.) One exception is the Golden Retriever at about 4 minutes who tolerates but doesn’t love the prolonged hug from behind. Even this dog soon settles in and seems somewhat more comfortable with full contact with the person in a slightly different position.

The most surprising behaviors I noticed were the tail wags. It has been well documented that dogs experiencing positive emotions tend to wag their tail higher to the right, and the study found that to be particularly true of dogs greeting their guardians. I would have expected dogs to be so joyous when greeting a guardian after a long absence that their tail wags would be to the right. Yet, in this video, many of the dogs exhibited left-biased tail wags, which I found curious. Certainly, the dogs seemed happy to see the people. After all, their enthusiasm is what makes this video so wonderful in the first place.

I can only speculate about why left-biased tail wags were so prevalent in this video. Dogs cannot understand the concept of deployment, and since most of these service members were probably gone for about a year, it’s likely that the dogs were surprised to see them again. It is my belief that many dogs whose guardians are gone for extended periods of time have already grieved for these people as though they are gone forever, which could make their return wonderful, but also startling. Perhaps confusion or shock factored into the emotions of the dogs enough to counteract the joy of the reunion that I thought would lead to right-biased tail wags.

If you have had an extended separation because of military service or any other reason, what was your reunion with your dog like?